# If $A=\begin{bmatrix}2 & 3\\5 & -2\end{bmatrix}$ then express $A^{-1}$ in terms of $A$
$\begin{array}{1 1} \frac{-1}{19} A \\\frac{1}{11} A \\ \frac{1}{19}A \\ -19 \end{array}$